TY - BOOK AU - HENDERSON, THOMAS. TI - GEOGHEMISTRY OF GROUND-WATER IN TWO SAMDSTONE AQUIFER SYSTEMS IN THE NORTHERN GREAT PLAINS IN PART PY - 1984/// CY - WASHINGTON PB - USDI KW - Water KW - Underground - KW - Northern Great Plains KW - Aquifers - KW - WATER CHEMISTRY ER -